package src.main.java;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.subject.Subject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

class HelloWorld {
    private static final Logger log = LoggerFactory.getLogger(HelloWorld.class);

    public static void main(String[] args) {

        IniSecurityManagerFactory factory = new IniSecurityManagerFactory("classpath:shiro.ini");
        SecurityManager securityManager = factory.getInstance();
        SecurityUtils.setSecurityManager(securityManager);

        Subject currentUser = SecurityUtils.getSubject();



        if(!currentUser.isAuthenticated()){
            UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
            token.setRememberMe(true);

            try {
                currentUser.login(token);
            } catch (UnknownAccountException uae) {
                log.info("There is no user with username of " + token.getPrincipal());
            } catch (IncorrectCredentialsException ice) {
                log.info("Password for account " + token.getPrincipal() + " was incorrect!");
            } catch (LockedAccountException lae) {
                log.info("The account for username " + token.getPrincipal() + " is locked.  " +
                        "Please contact your administrator to unlock it.");
            }
            // ... catch more exceptions here (maybe custom ones specific to your application?
            catch (AuthenticationException ae) {
                //unexpected condition?  error?
            }

            log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");

            //test a role:
            if (currentUser.hasRole("schwartz")) {
                log.info("May the Schwartz be with you!");
            } else {
                log.info("Hello, mere mortal.");
            }

            //test a typed permission (not instance-level)
            if (currentUser.isPermitted("lightsaber:wield")) {
                log.info("You may use a lightsaber ring.  Use it wisely.");
            } else {
                log.info("Sorry, lightsaber rings are for schwartz masters only.");
            }

            //a (very powerful) Instance Level permission:
            if (currentUser.isPermitted("winnebago:drive:eagle5")) {
                log.info("You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'.  " +
                        "Here are the keys - have fun!");
            } else {
                log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");
            }

            //all done - log out!
            currentUser.logout();

            System.exit(0);

        }


    }
}